925 questions
0 votes
1 answer
26 views
AWS ElastiCache notification for key expiry in Cluster mode [closed]
I'm using AWS ElastiCache in cluster mode and enabled the notification to EX. In dev env I'm getting 1 notification for each unique key expiry but in staging getting 2 notification per key expiry any ...
1 vote
0 answers
115 views
How do I find out what's causing these valkey AWS Elasticache requests to timeout?
We have sporadic, but repeatable, timeout issues with valkey at higher loads that we haven't been able to diagnose the root cause of. We're using StackExchange.Redis on the old school .NET Framework 4....
1 vote
0 answers
36 views
Frequent RedisTimeoutException in .NET 9 running on Linux containers with Redis on AWS (v7.0.7)
I am frequently encountering RedisTimeoutException errors in my application. The application is built using .NET 9 and runs in Linux-based containers. Redis is hosted on AWS Elastic Cache with version ...
1 vote
1 answer
74 views
Java Redison tryLock vs getBucket performance
I am using global redis datastore, with two clusters Region-A and Region-B. Each regional cluster has three redis nodes one primary and two read replicas. I have my service deployed in two regions as ...
0 votes
1 answer
63 views
Why is my ASP.NET Core Web API not connecting to Elastic Cache Valkey
I am working on an ASP.NET Core Web API that is deployed to AWS. I am trying to integrate Elastic Cache using Valkey and working locally at the moment. This is my Program.cs: using Amazon; using ...
0 votes
0 answers
94 views
ERR Lua scripts without any input keys are not supported
When running the following lua script on a serverless instance of valkey on AWS I get the following error. EVAL "return redis.call('SCAN', '0', 'MATCH', ARGV[1])" 0 "{123}:*" ERR ...
1 vote
2 answers
643 views
Connecting to Elasticache Valkey Using IAM Role
tl;dr Working in Go, and had to write my own token signing method connect to Valkey Instance in Elasticache. Keep getting error: "WRONGPASS invalid username-password pair or user is disabled.&...
0 votes
0 answers
38 views
Lettuce: AWS Elasticache: JSON MSET behaviour
We are using Lettuce java client to connect to AWS Elasticache (Valkey engine, Serverless, version 8.0) from Java springboot application (JDK 17 & springboot version 3.2.5) Below is the method ...
0 votes
0 answers
132 views
AWS Elasticache: LETTUCE - How to read from cache without providing a Key
We are using Lettuce java client to connect to AWS Elasticache (Valkey engine, Serverless, version 8.0) from Java springboot application (JDK 17 & springboot version 3.2.5) We have User ...
0 votes
1 answer
161 views
Lettuce: AWS Elasticache: JSON MGET behaviour
We are using Lettuce java client to connect to AWS Elasticache (Valkey engine, Serverless, version 8.0) from Java springboot application (JDK 17 & springboot version 3.2.5) Below is the method ...
0 votes
1 answer
226 views
JedisClusterOperationException Could not initialize cluster slots cache. When encryption mode is set to "required"
I have a spring app deployed to AWS Kubernetes, and an AWS elasticache with transit encryption mode set to required. When the java code below gets executed, it throws an exception Java code: ...
0 votes
0 answers
515 views
What could be causing my Redis/Valkey/ElastiCache timeout error?
I'm using a Valkey ElastiCache with StackExchange.Redis on .NET. It's usually working but sometimes I'll get this message: The message timed out in the backlog attempting to send because no connection ...
0 votes
0 answers
212 views
Why service update in 'Not-Applied' state for ElastiCache Redis cluster?
We have an ElastiCache classic with cluster mode disabled created in one of our account, there I observed a service update in 'Not-Applied' state. Due to that it shows warning in the Cache version ...
1 vote
0 answers
288 views
How do I create a correct signature for AWS Elasticache IAM authentication in C#?
I have been trying to authenticate with an Elasticache cluster using IAM authentication in .NET8 and failing with the following error: Unhandled exception. StackExchange.Redis....
0 votes
0 answers
70 views
AWS Elasticache - PHP Memcached - Multiple Tab Log-out
Configuration Our system has: PHP 8.2 AWS Memcached library with OpenSSL AWS Fargate ECS deployment AWS Elasticache Problem The initial login for users appears to write and read from memcached. ...